/*
* BearLibTerminal
* Copyright (C) 2013-2014 Cfyz
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#include "Stage.hpp"
#include "BearLibTerminal.hpp"

namespace BearLibTerminal
{
    Leaf::Leaf( ) :
            dx( 0 ),
            dy( 0 ),
            code( 0 ),
            flags( 0 ),
            reserved( 0 )
    { }

    Layer::Layer( Size size ) :
            cells( size.Area( ))
    { }

    void Stage::Resize( Size new_size )
    {
        size = new_size;

        // Background: reset to transparent
        backbuffer.background = std::vector <Color>( size.Area( ));

        if ( backbuffer.layers.empty( ))
        {
            // Scene must have at least one layer
            backbuffer.layers.emplace_back( size );
        }
        else
        {
            // Must preserve number of layers since who knows what layer is currently selected
            for ( auto &i: backbuffer.layers )
            { i = Layer( size ); }
        }

        // TODO: unnecessary?
        if ( frontbuffer.background.size( ) != backbuffer.background.size( ))
        {
            frontbuffer = backbuffer;
        }
    }

    State::State( ) :
            color( 255, 255, 255, 255 ),
            bkcolor( ),
            composition( TK_OFF ),
            layer( 0 ),
            font_offset( 0 )
    { }
}
